# ch04 The Book of Ruby - http://www.sapphiresteel.com

a = [1, 2, 3]
b = [4, 5, 6]
c = a + b	# concatenate
print("c=#{c.inspect}\n")
print("a=#{a.inspect}\n")
a << b		# append
print("a=#{a.inspect}\n")
print("a.flatten=#{a.flatten.inspect}\n")
